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Article: Distinguishing Tidal Disruption Events from Impostors

TitleDistinguishing Tidal Disruption Events from Impostors
Authors
KeywordsTidal Disruption Events
Active galactic nuclei
Supernovae
Gamma-ray bursts
Issue Date2021
PublisherSpringer Netherlands. The Journal's web site is located at https://www.springer.com/journal/11214
Citation
Space Science Reviews, 2021, v. 217, p. article no. 54 How to Cite?
AbstractRecent claimed detections of tidal disruption events (TDEs) in multi-wavelength data have opened potential new windows into the evolution and properties of otherwise dormant supermassive black holes (SMBHs) in the centres of galaxies. At present, there are several dozen TDE candidates, which share some properties and differ in others. The range in properties is broad enough to overlap other transient types, such as active galactic nuclei (AGN) and supernovae (SNe), which can make TDE classification ambiguous. A further complication is that “TDE signatures” have not been uniformly observed to similar sensitivities or even targeted across all candidates. This chapter both reviews those events that are unusual relative to other TDEs, including the possibility of TDEs in pre-existing AGN, and summarises those characteristics thought to best distinguish TDEs from continuously accreting AGN, strongly flaring AGN, SNe, and Gamma-Ray Bursts (GRBs), as well as other potential impostors like stellar collisions, “micro-TDEs,” and circumbinary accretion flows. We conclude that multiple observables should be used to classify any one event as a TDE. We also consider the TDE candidate population as a whole, which, for certain host galaxy or SMBH characteristics, is distinguishable statistically from non-TDEs, suggesting that at least some TDE candidates do in fact arise from SMBH-disrupted stars.
Persistent Identifierhttp://hdl.handle.net/10722/301954
ISSN
2023 Impact Factor: 9.1
2023 SCImago Journal Rankings: 2.485
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorZabludoff, A-
dc.contributor.authorArcavi, I-
dc.contributor.authorLa Massa, S-
dc.contributor.authorPerets, H-
dc.contributor.authorTrakhtenbrot,, B-
dc.contributor.authorZauderer, BA-
dc.contributor.authorAuchettl, K-
dc.contributor.authorDai, JL-
dc.contributor.authorFrench, KD-
dc.contributor.authorHung, T-
dc.contributor.authorKara, E-
dc.contributor.authorLodato, G-
dc.contributor.authorMaksym, WP-
dc.contributor.authorQin, Y-
dc.contributor.authorRamirez-Ruiz, E-
dc.contributor.authorRoth, N-
dc.contributor.authorRunnoe, JC-
dc.contributor.authorWevers, T-
dc.date.accessioned2021-08-21T03:29:25Z-
dc.date.available2021-08-21T03:29:25Z-
dc.date.issued2021-
dc.identifier.citationSpace Science Reviews, 2021, v. 217, p. article no. 54-
dc.identifier.issn0038-6308-
dc.identifier.urihttp://hdl.handle.net/10722/301954-
dc.description.abstractRecent claimed detections of tidal disruption events (TDEs) in multi-wavelength data have opened potential new windows into the evolution and properties of otherwise dormant supermassive black holes (SMBHs) in the centres of galaxies. At present, there are several dozen TDE candidates, which share some properties and differ in others. The range in properties is broad enough to overlap other transient types, such as active galactic nuclei (AGN) and supernovae (SNe), which can make TDE classification ambiguous. A further complication is that “TDE signatures” have not been uniformly observed to similar sensitivities or even targeted across all candidates. This chapter both reviews those events that are unusual relative to other TDEs, including the possibility of TDEs in pre-existing AGN, and summarises those characteristics thought to best distinguish TDEs from continuously accreting AGN, strongly flaring AGN, SNe, and Gamma-Ray Bursts (GRBs), as well as other potential impostors like stellar collisions, “micro-TDEs,” and circumbinary accretion flows. We conclude that multiple observables should be used to classify any one event as a TDE. We also consider the TDE candidate population as a whole, which, for certain host galaxy or SMBH characteristics, is distinguishable statistically from non-TDEs, suggesting that at least some TDE candidates do in fact arise from SMBH-disrupted stars.-
dc.languageeng-
dc.publisherSpringer Netherlands. The Journal's web site is located at https://www.springer.com/journal/11214-
dc.relation.ispartofSpace Science Reviews-
dc.rightsAccepted Manuscript (AAM) This is a post-peer-review, pre-copyedit version of an article published in [insert journal title]. The final authenticated version is available online at: https://doi.org/[insert DOI]-
dc.subjectTidal Disruption Events-
dc.subjectActive galactic nuclei-
dc.subjectSupernovae-
dc.subjectGamma-ray bursts-
dc.titleDistinguishing Tidal Disruption Events from Impostors-
dc.typeArticle-
dc.identifier.emailDai, JL: lixindai@hku.hk-
dc.identifier.authorityDai, JL=rp02540-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1007/s11214-021-00829-4-
dc.identifier.scopuseid_2-s2.0-85105491654-
dc.identifier.hkuros324199-
dc.identifier.volume217-
dc.identifier.spagearticle no. 54-
dc.identifier.epagearticle no. 54-
dc.identifier.isiWOS:000647630400001-
dc.publisher.placeNetherlands-

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